<html>
    <header>I am head</header>
    <body>
        <form method="GET" action="/a/b/s">
             First name:<br>
             <input type="text" name="firstname">
             <br>
              Last name:<br>
              <input type="text" name="lastname">
              <br>
              <input type="submit" value="xxx">
        </form> 
        <h5>I am body</h5>
    </body>
</html>